This chemical is primarily utilized in advanced organic synthesis and material science research. Its complex structure makes it a valuable intermediate in the development of novel organic compounds, particularly in the creation of specialized dyes and pigments. The compound's unique spiro and thiopyranoquinoline framework is of interest in the study of photophysical properties, making it a candidate for applications in optoelectronic materials. Additionally, its functional groups allow for further chemical modifications, enabling its use in the design of molecules with potential biological activity, such as in medicinal chemistry for drug discovery. Its application is largely confined to laboratory settings, where it serves as a building block for more complex chemical entities.